package Filter;



import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

//@WebFilter( "/admin/*")
//public class ACLFilter implements Filter {
//    public void destroy() {
//    }

//    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException {
//        HttpServletRequest request=(HttpServletRequest)req;
//        HttpServletResponse response =(HttpServletResponse) resp;
//       User user=(User) request.getSession().getAttribute("user");//此处为用户的登录信息
//        if (user==null){
//            response.sendRedirect("/index.jsp");
//        }
//        chain.doFilter(req, resp);
//    }
//
//    public void init(FilterConfig config) throws ServletException {
//
//    }
//
//}
